Poly (ester lactones) and method for preparing the same
United States Patent 3155686

Inventors:
Prill, Erhard J.
Wygant, James C.
Publication Date:
11/03/1964
View Patent Images:
Assignee:
MONSANTO CO
Primary Class:
Other Classes:
549/326, 252/79, 560/198, 524/109, 252/67, 549/291, 549/273
International Classes:
C07D307/33; C07D309/30; C08K5/151; C07D307/00; C07D309/00; C08K5/00